Artificial Intelligence (AI) is rapidly reshaping every domain it touches—from commerce and communication to medicine and education. But perhaps no transformation is as consequential or as controversial as its application in modern warfare. AI is revolutionizing how wars are fought, who fights them, and what it means to wield power in the 21st century.

In Genius Weapons (Prometheus, 2018), I explored the trajectory of intelligent weapons systems, tracing how developments in machine learning, robotics, and sensor technologies were converging to create systems that could not only assist but potentially replace human decision-makers in the fog of war. Today, the core themes of that book have become more urgent than ever.

From Decision Support to Autonomous Lethality

AI systems in the military began as decision-support tools—systems designed to analyze vast datasets, identify threats, or optimize logistics. Today, we see a dramatic escalation in their roles. Armed drones now operate with increasing autonomy, capable of identifying and engaging targets without direct human input. Surveillance platforms process terabytes of data in real-time using AI, flagging potential threats faster than any analyst could.

Perhaps the most transformative development is the emergence of autonomous weapons systems—machines that can select and engage targets on their own. As I outlined in Genius Weapons, these systems represent a paradigm shift, not only in capability but in accountability. When a machine makes the decision to kill, who is responsible? The programmer? The commander? The algorithm?

Geopolitical Implications and the AI Arms Race

Nations around the world are investing significant resources in military AI. The United States, China, Russia, and Israel are leading the charge, each with different doctrines and levels of transparency. China’s People’s Liberation Army, for instance, has explicitly described  “intelligentized warfare”—a term used in Chinese military doctrine to describe the integration of AI and advanced technologies into all aspects of warfare. They view it as the future of military power, investing in AI for command decision-making, autonomous drones, and cyber operations.

This arms race has created what analysts call an “AI Cold War,” where nations are not just building weapons, but reshaping the entire military ecosystem—intelligence, command and control, logistics, and cyber operations—with AI at its core. The dangers of this race are not hypothetical. As I warned in Genius Weapons, when multiple actors rush to deploy systems whose full capabilities and limitations are not yet understood, the risk of unintended escalation grows exponentially.

The Ethics of Killing Without Conscience

Perhaps the most profound concern is ethical. Rules of engagement and international law bind human soldiers, and, crucially, they are expected to apply judgment and moral reasoning in combat. Machines do not possess empathy, remorse, or conscience. Can we entrust machines with decisions that involve life and death?

There is a growing international movement to ban or strictly regulate lethal autonomous weapons, spearheaded by the Campaign to Stop Killer Robots and supported by a range of nongovernmental organizations (NGOs), ethicists, and United Nations (UN) bodies. However, as I argued in Genius Weapons, the genie is already out of the bottle. The challenge now is not how to stop these technologies, but how to govern them through transparency, human oversight, and international norms.

Conclusion: The Need for Intelligent Policy

AI in warfare is neither inherently evil nor inherently good—it is a tool. But unlike conventional weapons, it introduces radical new dynamics: speed, scale, unpredictability, and the potential for machines to act beyond human control. The real challenge lies in ensuring that this powerful technology is guided by equally powerful ethics, laws, and human oversight.

As we stand at the edge of a new era in warfare, Genius Weapons remains a call to think critically about how we build, deploy, and restrain the machines we create. The future of war may be intelligent, but whether it will embody humane principles depends entirely on us.